{"product_id":"coomatec-6-pack-large-airstones-4x2-inch-round-diffuser-for-aquarium-hydroponics-ponds","title":"COOMATEC 6-Pack Large Airstones – 4x2 Inch Round Diffuser for Aquarium, Hydroponics \u0026 Ponds","description":"\u003ch2\u003eCOOMATEC 6-Pack Large Airstones — Bigger Diffusers for Bigger Bubbles\u003c\/h2\u003e\n\u003cp\u003eMeet COOMATEC's 6-pack of large 4x2 inch round air-stones, designed to deliver consistent aeration across tanks, ponds, and growing systems. Each stone sinks to the bottom with a stable stand, helping bubbles disperse evenly without shifting during operation. The rounded form minimizes water movement and keeps the diffuser in place while you monitor bubbles rising through the glass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes these airstones practical for everyday setup\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable in Water:\u003c\/strong\u003e Each aerator stone measures 2\" D x 4\" H and weighs 0.66 lbs, designed to sink and stay put for steady diffusion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTube Compatibility:\u003c\/strong\u003e Fits 3\/16 inch standard airline tubing for quick, compatible connections with common pumps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended Pump Power:\u003c\/strong\u003e For fuller bubbles, a high-output air pump (at least 10W or a commercial unit) can boost diffusion performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Material:\u003c\/strong\u003e Made from washable silicon carbide, the stones are sturdy and non-toxic, suitable for aquatics; soak before first use and clean regularly to reduce buildup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Ideal for hydroponic systems, koi ponds, aquariums, fish tanks, and other setups, potentially extending nutrient life and supporting roots and aquatic life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eReal-life use ideas\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIn freshwater tanks or ponds, position near the substrate to encourage gentle rising bubbles that oxygenate water without excessive surface agitation.\u003c\/li\u003e\n  \u003cli\u003eIn larger hydroponic beds, steady bubbles help circulate nutrients and support robust root health.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance tips for long-lasting performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-use soak:\u003c\/strong\u003e Soak the stones completely in water for about 2 hours to maximize initial diffusion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRegular cleaning:\u003c\/strong\u003e Clean with a soft brush to prevent clogging over weeks or months of operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReassembly care:\u003c\/strong\u003e Rinse after cleaning and ensure a secure tubing fit for consistent airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCOOMATEC aims to offer reliable aeration across water-based systems. Results will vary based on tank size, stock, and pump choice, but these airstones provide a flexible foundation for diffused bubbles, potentially healthier roots, and balanced water movement.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What sizes are included in the COOMATEC 6-Pack Large Airstones?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Six 4x2 inch round stones designed for stable diffusion in tanks and growing systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which setups can benefit from these aerators?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for aquariums, hydroponics, koi ponds, and other water systems to promote circulation and healthier roots.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COOMATEC","offers":[{"title":"Default Title","offer_id":40565567881345,"sku":"B0BM3RKWWS","price":69.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/coomatec-6pack-airstones-steady-bubbles.jpg?v=1766003290","url":"https:\/\/petiva.ca\/products\/coomatec-6-pack-large-airstones-4x2-inch-round-diffuser-for-aquarium-hydroponics-ponds","provider":"Petiva","version":"1.0","type":"link"}